Air Conditioning Filters Merv Rating

By installing an air filter with a high merv rating two things happen.

Air conditioning filters merv rating.

Merv is the minimum efficiency reporting value which is the scale designed by the american society of heating refrigerating and air conditioning engineers ashrae to rate the effectiveness of air filters. The most recommended merv ratings for residential filters are. The merv filter rating is the domestic and international industry standard rating system established by the american society of heating refrigerating and air conditioning engineers. If we were looking to buy a new filter today for our hvac heating ventilation and air conditioning system we d aim for a medium efficiency filter with a merv rating in the 8 to 13 range.

The american society of heating refrigeration and air conditioner engineers ashare recommends a merv 6 or. The merv rating on an air filter was designed by the american society of heating refrigerating and air conditioning engineers ashrae to rate the effectiveness of air filters. However high merv filters offer superior filtration trapping everything from construction dust and tobacco smoke to bacteria. But does that mean you should just get the air filter with the highest merv rating.

A low merv rating means that the filter does not remove as many particulates from the air. An air filter s merv rating is a scale from 1 16 that describes the minimum efficiency of the air filter. The merv rating system helps you choose the filter right for you with each rating dictating the effectiveness of a filter. In other words merv ratings indicate an air filter s ability to remove pollutants from the air.

The smaller pores in more highly rated air filters create resistance to air. When selecting the right filter for your application higher is not always better. Basically the higher merv rating indicates higher filtering performance. First and foremost your air becomes cleaner which can help improve the longevity of your hvac system.

1 4 merv this is the lowest end of filters. The merv rating system is intended to be used to determine the filter s ability to remove particulates from the air. Due to the dusty air in our area. Many whole house filters list a minimum efficiency reporting value merv developed by ashrae formerly the american society of heating refrigerating and air conditioning engineers.

The other two systems were created by 3m mpr and the home depot fpr to differentiate their offerings. Using an air filter with a merv rating higher than what your furnace or air conditioner manufacturer recommends can actually impair its performance. Merv filter ratings and efficiency.